Home / 679,761.29-938,050.39-373,837.25

Finding the Fourth Proportional to 679,761.29, 938,050.39 and 373,837.25

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Solution

The fourth proportional to 679,761.29, 938,050.39 and 373,837.25 is: 515,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,761.29 : 938,050.39 = 373,837.25 : x
  2. Step 2: Convert to fraction form
    679,761.29/938,050.39 = 373,837.25/x
  3. Step 3: Cross multiply
    679,761.29x = 938,050.39 × 373,837.25
  4. Step 4: Simplify right side
    679,761.29x = 350,678,178,159.03
  5. Step 5: Solve for x
    x = 350,678,178,159.03/679,761.29
  6. Step 6: Final answer
    x = 515,884.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.